Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Sep 11, 2026, 8:21 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Completed Not applicable Interventional Results available

Supplementing Brief Psychotherapy With a Mobile App

NCT05867316
Conditions
Suicide and Self-harm, Emotion Regulation
Interventions
Unified Protocol
Behavioral
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years and older
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Piscataway, New Jersey
Conditions
Adolescent Relationship Abuse
Interventions
SHARP Intervention
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
14 Years to 19 Years
Enrollment
1,012 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Oakland, California
Conditions
Suicide, Attempted, Suicide and Self-harm
Interventions
Ecological momentary intervention
Behavioral
Lead sponsor
Harvard University
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers Results available

Switching to a Vaping Device: Evaluating Risk Reduction Among Quitline Treatment Failures

NCT03502200
Conditions
Smoking, Cigarette
Interventions
JUUL, Treatment As Usual
Device · Other
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
21 Years to 99 Years
Enrollment
350 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Columbus, Ohio
Recruiting Not applicable Interventional Accepts healthy volunteers

Switch or Quit R01

NCT06373679
Conditions
Cigarette Smoking, Smoking Behaviors
Interventions
Switching to E-Cigarette, Switching using Medication
Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
21 Years and older
Enrollment
225 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Charleston, South Carolina
Completed Not applicable Interventional Accepts healthy volunteers

BE Intervention for Naloxone Uptake

NCT06064981
Conditions
Harm Reduction
Interventions
Text message nudges, Commitment contract
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
137 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
2
States / cities
Philadelphia, Pennsylvania
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Clinical Alternatives for Reducing Harm Using E-cigarettes

NCT07039292
Conditions
Smoking, E-Cig Use, Oncology
Interventions
Harm Reduction (E-cigarette switching), Standard of Care
Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
21 Years and older
Enrollment
208 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Charleston, South Carolina
Conditions
Suicide, Suicidal, Self-Harm
Interventions
SAFETY-A within usual ED Care, Combined SAFETY-A within usual ED Care + CLASP Therapeutic Follow-Up Contacts
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
13 Years to 24 Years
Enrollment
1,600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
5
States / cities
Los Angeles, California • Sylmar, California • Durham, North Carolina + 2 more
Conditions
Cigarette Smoking
Interventions
E-cigarette Switching, Financial Incentives
Behavioral
Lead sponsor
University of Oklahoma
Other
Eligibility
21 Years to 100 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Conditions
Harm Reduction, Naloxone, Opioid Overdose
Interventions
VENDY
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
Not listed
Enrollment
4,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
3
States / cities
Denver, Colorado • Frisco, Colorado • Pueblo, Colorado
Conditions
Suicidal Ideation, Thoughts of Self Harm, Coping
Interventions
Virtual Hope Box Smartphone App, Enhanced Treatment as Usual
Behavioral
Lead sponsor
National Center for Telehealth and Technology
Federal
Eligibility
18 Years and older
Enrollment
118 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
2
States / cities
Portland, Oregon • Tacoma, Washington
Conditions
Tobacco Use Disorder
Interventions
Tobacco free snuff
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 70 Years
Enrollment
138 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2005
U.S. locations
1
States / cities
Minneapolis, Minnesota
Conditions
HIV, Substance Use Disorder (SUD)
Interventions
Substance use disorder screening, Social network intervention
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older · Male only
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Chicago, Illinois
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Clinician Practice Companion to Address Youth Substance Use

NCT07725289
Conditions
Substance Use, Substance-Related Disorders, Adolescent Substance Use, Cannabis Use, Opioid Use Disorder, Drug Overdose, Overdose Prevention, Co-occurring Mental Health Conditions
Interventions
Practice Companion
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
14 Years to 24 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Recruiting Not applicable Interventional

Wellness, Alcohol, Vitals, and Emotions

NCT06982443
Conditions
Alcohol Use
Interventions
Mindfulness based relapse prevention
Behavioral
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Albuquerque, New Mexico
Recruiting Phase 3 Interventional Accepts healthy volunteers

Switching to E-cigarettes in Smokers Not Interested in Quitting

NCT05703672
Conditions
Smoking Reduction
Interventions
Varenicline Tartrate, Placebo, Electronic cigarette
Drug · Other
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
21 Years and older
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
2
States / cities
Kansas City, Missouri
Completed Not applicable Interventional Accepts healthy volunteers Results available

Electronic Cigarettes (E-cigarettes) as a Harm Reduction Strategy

NCT02628964
Conditions
Tobacco Use Disorder, Smoking
Interventions
e-cigarettes
Device
Lead sponsor
NYU Langone Health
Other
Eligibility
21 Years to 35 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
New York, New York
Recruiting No phase listed Observational

Shelter HArm Reduction Evaluation

NCT07170072
Conditions
Overdose, Harm Reduction
Interventions
Not listed
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
New York, New York
Conditions
Self Harm, Depression, Emotion Dysregulation, Suicidal Ideation, Family Relations
Interventions
Computer Assisted CIFFTA, Behavioral: Traditional face-to-face treatment-no technology
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
11 Years to 18 Years
Enrollment
172 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
Coral Gables, Florida
Conditions
Housing Problems, Household Substance Abuse, Substance Use Disorders, Harm Reduction
Interventions
Technology-based Intervention
Behavioral
Lead sponsor
Oregon Research Behavioral Intervention Strategies, Inc.
Industry
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Springfield, Oregon
Conditions
Suicide, Suicide, Attempted, Suicidal Ideation, Self Harm
Interventions
MI- Safety Plan, Texts messages, Monitoring, Portal follow-up, Booster call
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
13 Years to 17 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
3
States / cities
Ann Arbor, Michigan • Detroit, Michigan • Cincinnati, Ohio
Conditions
Accidental Falls, Harm Reduction
Interventions
Fall Prevention Decision Support
Other
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years to 99 Years
Enrollment
900 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
1
States / cities
New York, New York
Completed Not applicable Interventional Accepts healthy volunteers Results available

Preventing Opioid Overdose Mortality in the United States

NCT03924505
Conditions
Opioid Overdose
Interventions
Organize and Mobilize for Implementation Effectiveness, Dissemination
Other
Lead sponsor
RTI International
Other
Eligibility
18 Years and older
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Berkeley, California
Withdrawn Not applicable Interventional Accepts healthy volunteers

Dialectical Behavioral Therapy in Juvenile Justice

NCT05583279
Conditions
Non-Suicidal Self Injury, Suicide, Self-harm, Emotion Regulation
Interventions
Dialetical Behavioral Therapy for Adolescents
Behavioral
Lead sponsor
The Catholic University of America
Other
Eligibility
10 Years to 21 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Washington D.C., District of Columbia